interface/wx/dirctrl.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        dirctrl.h
   3 // Purpose:     interface of wxGenericDirCtrl
   4 // Author:      wxWidgets team
   5 // RCS-ID:      $Id$
   6 // Licence:     wxWindows licence
   7 /////////////////////////////////////////////////////////////////////////////
   8
   9 enum
  10 {
  11     // Only allow directory viewing/selection, no files
  12     wxDIRCTRL_DIR_ONLY       = 0x0010,
  13     // When setting the default path, select the first file in the directory
  14     wxDIRCTRL_SELECT_FIRST   = 0x0020,
  15     // Use 3D borders on internal controls
  16     wxDIRCTRL_3D_INTERNAL    = 0x0080,
  17     // Editable labels
  18     wxDIRCTRL_EDIT_LABELS    = 0x0100,
  19     // Allow multiple selection
  20     wxDIRCTRL_MULTIPLE       = 0x0200
  21 };
  22
  23
  24 /**
  25     @class wxGenericDirCtrl
  26
  27     This control can  be used to place a directory listing (with optional
  28     files) on an arbitrary window.
  29
  30     The control contains a wxTreeCtrl window representing the directory
  31     hierarchy, and optionally, a wxChoice window containing a list of filters.
  32
  33     @beginStyleTable
  34     @style{wxDIRCTRL_DIR_ONLY}
  35            Only show directories, and not files.
  36     @style{wxDIRCTRL_3D_INTERNAL}
  37            Use 3D borders for internal controls.
  38     @style{wxDIRCTRL_SELECT_FIRST}
  39            When setting the default path, select the first file in the
  40            directory.
  41     @style{wxDIRCTRL_EDIT_LABELS}
  42            Allow the folder and file labels to be editable.
  43     @style{wxDIRCTRL_MULTIPLE}
  44            Allows multiple files and folders to be selected.
  45     @endStyleTable
  46
  47     @library{wxcore}
  48     @category{ctrl}
  49     @appearance{genericdirctrl.png}
  50 */
  51 class wxGenericDirCtrl : public wxControl
  52 {
  53 public:
  54     /**
  55         Default constructor.
  56     */
  57     wxGenericDirCtrl();
  58
  59     /**
  60         Main constructor.
  61
  62         @param parent
  63             Parent window.
  64         @param id
  65             Window identifier.
  66         @param dir
  67             Initial folder.
  68         @param pos
  69             Position.
  70         @param size
  71             Size.
  72         @param style
  73             Window style. Please see wxGenericDirCtrl for a list of possible
  74             styles.
  75         @param filter
  76             A filter string, using the same syntax as that for wxFileDialog.
  77             This may be empty if filters are not being used. Example:
  78             @c "All files (*.*)|*.*|JPEG files (*.jpg)|*.jpg"
  79         @param defaultFilter
  80             The zero-indexed default filter setting.
  81         @param name
  82             The window name.
  83     */
  84     wxGenericDirCtrl(wxWindow* parent, const wxWindowID id = wxID_ANY,
  85                      const wxString& dir = wxDirDialogDefaultFolderStr,
  86                      const wxPoint& pos = wxDefaultPosition,
  87                      const wxSize& size = wxDefaultSize,
  88                      long style = wxDIRCTRL_3D_INTERNAL,
  89                      const wxString& filter = wxEmptyString,
  90                      int defaultFilter = 0,
  91                      const wxString& name = wxTreeCtrlNameStr);
  92
  93     /**
  94         Destructor.
  95     */
  96     virtual ~wxGenericDirCtrl();
  97
  98     /**
  99         Collapse the given @a path.
 100     */
 101     virtual bool CollapsePath(const wxString& path);
 102
 103     /**
 104         Collapses the entire tree.
 105     */
 106     virtual void CollapseTree();
 107
 108     /**
 109         Create function for two-step construction. See wxGenericDirCtrl() for
 110         details.
 111     */
 112     bool Create(wxWindow* parent, const wxWindowID id = wxID_ANY,
 113                 const wxString& dir = wxDirDialogDefaultFolderStr,
 114                 const wxPoint& pos = wxDefaultPosition,
 115                 const wxSize& size = wxDefaultSize,
 116                 long style = wxDIRCTRL_3D_INTERNAL,
 117                 const wxString& filter = wxEmptyString, int defaultFilter = 0,
 118                 const wxString& name = wxTreeCtrlNameStr);
 119
 120     /**
 121         Tries to expand as much of the given @a path as possible, so that the
 122         filename or directory is visible in the tree control.
 123     */
 124     virtual bool ExpandPath(const wxString& path);
 125
 126     /**
 127         Gets the default path.
 128     */
 129     virtual wxString GetDefaultPath() const;
 130
 131     /**
 132         Gets selected filename path only (else empty string).
 133
 134         This function doesn't count a directory as a selection.
 135     */
 136     virtual wxString GetFilePath() const;
 137
 138     /**
 139         Fills the array @a paths with the currently selected filepaths.
 140
 141         This function doesn't count a directory as a selection.
 142     */
 143     virtual void GetFilePaths(wxArrayString& paths) const;
 144
 145     /**
 146         Returns the filter string.
 147     */
 148     virtual wxString GetFilter() const;
 149
 150     /**
 151         Returns the current filter index (zero-based).
 152     */
 153     virtual int GetFilterIndex() const;
 154
 155     /**
 156         Returns a pointer to the filter list control (if present).
 157     */
 158     virtual wxDirFilterListCtrl* GetFilterListCtrl() const;
 159
 160     /**
 161         Gets the currently-selected directory or filename.
 162     */
 163     virtual wxString GetPath() const;
 164
 165     /**
 166         Fills the array @a paths with the selected directories and filenames.
 167     */
 168     virtual void GetPaths(wxArrayString& paths) const;
 169
 170     /**
 171         Returns the root id for the tree control.
 172     */
 173     virtual wxTreeItemId GetRootId();
 174
 175     /**
 176         Returns a pointer to the tree control.
 177     */
 178     virtual wxTreeCtrl* GetTreeCtrl() const;
 179
 180     /**
 181         Initializes variables.
 182     */
 183     virtual void Init();
 184
 185     /**
 186         Collapse and expand the tree, thus re-creating it from scratch. May be
 187         used to update the displayed directory content.
 188     */
 189     virtual void ReCreateTree();
 190
 191     /**
 192         Sets the default path.
 193     */
 194     virtual void SetDefaultPath(const wxString& path);
 195
 196     /**
 197         Sets the filter string.
 198     */
 199     virtual void SetFilter(const wxString& filter);
 200
 201     /**
 202         Sets the current filter index (zero-based).
 203     */
 204     virtual void SetFilterIndex(int n);
 205
 206     /**
 207         Sets the current path.
 208     */
 209     virtual void SetPath(const wxString& path);
 210
 211     /**
 212         @param show
 213             If @true, hidden folders and files will be displayed by the
 214             control. If @false, they will not be displayed.
 215     */
 216     virtual void ShowHidden(bool show);
 217
 218     /**
 219         Selects the given item.
 220
 221         In multiple selection controls, can be also used to deselect a
 222         currently selected item if the value of @a select is false.
 223         Existing selections are not changed. Only visible items can be
 224         (de)selected, otherwise use ExpandPath().
 225     */
 226     virtual void SelectPath(const wxString& path, bool select = true);
 227
 228     /**
 229         Selects only the specified paths, clearing any previous selection.
 230
 231         Only supported when wxDIRCTRL_MULTIPLE is set.
 232     */
 233     virtual void SelectPaths(const wxArrayString& paths);
 234
 235     /**
 236         Removes the selection from all currently selected items.
 237     */
 238     virtual void UnselectAll();
 239 };
 240
 241
 242
 243 class wxDirFilterListCtrl: public wxChoice
 244 {
 245 public:
 246     wxDirFilterListCtrl();
 247     wxDirFilterListCtrl(wxGenericDirCtrl* parent, const wxWindowID id = wxID_ANY,
 248                         const wxPoint& pos = wxDefaultPosition,
 249                         const wxSize& size = wxDefaultSize,
 250                         long style = 0);
 251     bool Create(wxGenericDirCtrl* parent, const wxWindowID id = wxID_ANY,
 252                 const wxPoint& pos = wxDefaultPosition,
 253                 const wxSize& size = wxDefaultSize,
 254                 long style = 0);
 255
 256     virtual ~wxDirFilterListCtrl() {}
 257
 258     void Init();
 259
 260     //// Operations
 261     void FillFilterList(const wxString& filter, int defaultFilter);
 262 };